Checkstrap



L. T. DUBLIN CHECKSTRAP A ril 29, 1 2

Filed May 28 1923 i arrow tot Patented Apr. 2, WM.

LLOYD DUBLIN, OF MAYFIELD, KENTUCKY.

CHECKSTRAP.

Application filed May 28, 1923.

To all whom it may concern:

Be it known that I, LLOYD T. DUBLIN, a citizen of the United States, residing at Mayfield, in the county of Graves and State of Kentucky, have invented certain new and useful Improvements in a Checkstrap, of which the following is a specification.

This invention relates to a check strap for looms, and more particularly to an improved device adapted to sit in the end of the loom at the end of the shuttle box to check the force of the shuttle when it reaches the end of the shuttle box.

The primary object of the invention is to provide an improvement over the form of check strap now generally employed, which is constructed partially of leather, and, therefore, is objectionable as the leather soon wears out and breaks. In the present form of the invention the structure is entirely of metal, thus avoiding the possibility of breaking while the device is in use.

Other objects of the invention will appear upon consideration of the following detailed description and accompanying drawings, in which:

Figure 1 is a side view of the device constructed in accordance with my invention,

Figure 2 is an enlarged detail view showing the parts in section,

Figure 3 is a cross section taken on the line 33 of Figure 2, and

Figure 4 is a top plan view of the same.

Referring to the drawings by numerals, the pressure plate 1 is substantially rectangular in formation and is provided with a centrally located square opening 2 and transverse slots 3 at the end. Below the pressure plate 1 is a yoke 4 which includes the arms 5 having their ends extended through the openings or slots 3. The central portion of the yoke 4 is provided wlth a stirrup 6 substantially U-shaped in formation, as shown. This stirrup 6 is adapted to extend upwardly through the opening 2 in the pressure plate 1 and the stirrup is also provided with the plates 7 and 8 which are fitted in the stirrup and are in close contact with each other as shown in Figures 2 and 3 of the drawings. Binding elements 9 and 10 are em loyed to engagethe membore 7 and 8 an t can hinder elements, as

Serial No. 642,003.

shown, extend around the plates 7 and 8 around the top of the pressure plate 2, where they are secured as shown so that downward movement of the yoke member away from the pressure plate is limited.

The yoke member 4: is provided with coil springs 11 interposed between the pressure plate and the bottom portions of the yoke, and these springs 11 embrace studs 12 which hold the springs in proper alignment while the device is in use. The upper ends of the springs 11 are located in suitable sockets formed in the pressure plate 2. The springs 11 are expansion springs and, accordingly, they will maintain the yoke member in its extended position until contact is made with the picker stick at the end of the movement of the shuttle when the shuttle reaches the end of the shuttle box.

Minor changes may be made in the details of construction without departing from the spirit of the invention or the scope of the claims hereunto appended.

What I claim is:

1. A device of the character described comprising a pressure plate, a yoke member having sliding contact with the pressure plate, coil springs interposed between the yoke member and the pressure plate, and binding elements attached to the yoke memher and pressure plate to limit the movement of the said yoke member away from the said pressure plate.

2. device of the character described comprising a pressure plate, having a central square opening and endslots, a yoke member provided with parallel arms extended into said slots, a central stirrup formed on the said yoke member and adapted to move into the said central opening in the pressure plate, binder elements engaged around the pressure plate and the said stirrup to limit the movement of the said yoke away from the said pressure plate, and coil springs interposed between the said yoke and the said pressure plate.

3. A device of the character described comprising a pressure plate having square opening and end slots, a yoke mem er provided with parallel arms extended into the said slots, coil springs interposed between the yoke member and the said pressure plate, a stirrup formed at the center of the said yoke and adapted to be extended into the In testirnony whereof, Lhave aifixed my said central opening in the pressulziebplate, signature in the presence ofrwo Witnesses. plates locatedin the said Stirrup 'an inder elementsengaged around the sail plates and YD D L "5 around the said? pressure platelto limit the Witnesses:

movement of the'said yoke member away LOUISA, DEBORD, from the said pressure plate; 7 V NORA SWANSON. 

